基于eda的智力搶答器的課程設(shè)計(jì)說(shuō)明書(shū)-資料下載頁(yè)
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【正文】 l,df2h,df3l,df3h,df4l,df4h。always@(posedge clk)if(reset){df1l,df1h,df2l,df2h,df3l,df3h,df4l,df4h}=3239。h10101010。else if(yes)begin//if(qd1)beginif(df1l==9)begindf1l=0。if(df1h==9)df1h=0。elsedf1h=df1h+1。endelsedf1l=df1l+1。end////if(qd2)beginif(df2l==9)begindf2l=0。if(df2h==9)df2h=0。elsedf2h=df2h+1。endelsedf2l=df2l+1。end////if(qd3)beginif(df3l==9)begindf3l=0。if(df3h==9)df3h=0。elsedf3h=df3h+1。endelsedf3l=df3l+1。end////if(qd4)beginif(df4l==9)begindf4l=0。if(df4h==9)df4h=0。elsedf4h=df4h+1。endelsedf4l=df4l+1。end//endelse if(no)begin//if(qd1)beginif(df1l!=439。b0000)df1l=df1l1。else if(df1h!=439。b0000)begindf1h=df1h1。df1l=9。endend//if(qd2)beginif(df2l!=439。b0000)df2l=df2l1。else if(df2h!=439。b0000)begindf2h=df2h1。df2l=9。endend//if(qd3)beginif(df3l!=439。b0000)df3l=df3l1。else if(df3h!=439。b0000)begindf3h=df3h1。df3l=9。endend//if(qd4)beginif(df4l!=439。b0000)df4l=df4l1。else if(df4h!=439。b0000)begindf4h=df4h1。df4l=9。endend//endendmodule//選擇模塊modulesel(in1,in2,in3,in4,in5,in6,in7,in8,clk,ms1,ms2,ms3,ms4,ms5,ms6,ms7,ms8,a,b,c,d,e,f,g)。input clk。input [3:0] in1,in2,in3,in4,in5,in6,in7,in8。output ms1,ms2,ms3,ms4,ms5,ms6,ms7,ms8,a,b,c,d,e,f,g。reg ms1,ms2,ms3,ms4,ms5,ms6,ms7,ms8,a,b,c,d,e,f,g。reg [3:0] temp,flag。always@(posedge clk)begin{ms1,ms2,ms3,ms4,ms5,ms6,ms7,ms8}=839。b00000000。flag=flag+1。case(flag)0:begin temp=in1。ms1=1。end1:begin temp=in2。ms2=1。end2:begin temp=in3。ms3=1。end3:begin temp=in4。ms4=1。end4:begin temp=in5。ms5=1。end5:begin temp=in6。ms6=1。end6:begin temp=in7。ms7=1。end7:begin temp=in8。ms8=1。endendcasecase(temp)439。d0:{a,b,c,d,e,f,g}=739。b1111110。439。d1:{a,b,c,d,e,f,g}=739。b0110000。439。d2:{a,b,c,d,e,f,g}=739。b1101101。439。d3:{a,b,c,d,e,f,g}=739。b1111001。439。d4:{a,b,c,d,e,f,g}=739。b0110011。439。d5:{a,b,c,d,e,f,g}=739。b1011011。439。d6:{a,b,c,d,e,f,g}=739。b1011111。439。d7:{a,b,c,d,e,f,g}=739。b1110000。439。d8:{a,b,c,d,e,f,g}=739。b1111111。439。d9:{a,b,c,d,e,f,g}=739。b1111011。default:{a,b,c,d,e,f,g}=739。b1111110。endcaseendendmodule23
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